Chirruping Nightjar vs Lesser Nighthawk
Caprimulgus griseatus в сравнении с Chordeiles acutipennis
Side-by-Side Comparison
| Характеристика | Chirruping Nightjar | Lesser Nighthawk |
|---|---|---|
| Научное название | Caprimulgus griseatus | Chordeiles acutipennis |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Caprimulgidae | Caprimulgidae |
| Охранный статус | Not Evaluated | Least Concern |
| Длина | — | — |
| Размах крыльев | — | 33,0 cm (13.0 in) |
| Масса | — | 50,0 g (1.76 oz) |
| Питание | Night-hunting insectivore taking moths, flying beetles, and termites in sustained aerial pursuits. | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| Размер кладки | -- | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Нет
Chirruping Nightjar only
Lesser Nighthawk only
Song & Call Comparison
Chirruping Nightjar
Distinctive chirruping trill; rapid high-pitched 'chi-chi-chi-rrr'; sharper and more staccato than typical Caprimulgus; calls at dusk from open habitats
Lesser Nighthawk
Loud purring trill; buzzy 'brrrrr' given in flight; lower and softer than Common Nighthawk; males display with booming wingbeats; calls at dusk over deserts
Geographic Range & Migration
Chirruping Nightjar
Found across sub-Saharan Africa from Senegal east to Somalia and south to South Africa. Common on rocky outcrops and granite hills in savanna.
Lesser Nighthawk
Breeds in open arid scrub from southwestern USA south through Central America to western South America; winters in Mexico and northern South America.
Охранный статус
Chirruping Nightjar
Lesser Nighthawk
How to Tell Them Apart
Chirruping Nightjar
Grey-brown upperparts with blackish streaks and pale buff vermiculations; buff-white chin and throat; underparts barred pale buff and dark brown; recently split from Savanna Nightjar, differing in subtle plumage and …
Lesser Nighthawk
Brown and buff mottled above; buff-white below with brown barring; white throat in male; white wing bar closer to wingtip than in Common Nighthawk; buff tail band. Female with buff …
About These Birds
Chirruping Nightjar
A small nightjar (20-22 cm) of dry scrub and semi-arid savanna in Colombia, Venezuela, and Guyana. Pale grey-brown plumage with fine streaking. Named for its chirruping, insect-like call delivered at dusk. Nocturnal insectivore, feeding on moths and beetles.
Lesser Nighthawk
A small Caprimulgidae nighthawk (~50 g) of deserts, semi-arid scrub, and open woodland from the southwestern United States to Peru and Brazil. Brown-and-buff patterned; males have a white throat bar. Low, buoyant flight close to the ground at dusk. Hunts insects aerially. Migratory; Least Concern.